Abstract
ABSTRACT: Fayoum region is the most fertile agricultural land in Egypt and one of the oldest agricultural city in the world. The present study aimed to determine its weed flora composition and its distribution through different habitats. Results recorded 175 species of vascular plants belonging to 124 genera and 35 families distributed in eight habitats. The richest families were Poaceae, Asteraceae (Compositae) and Fabaceae (Leguminoseae), while genera with the highest number of species were Euphorbia, Amaranthus and Cyperus. Cynodon dactylon and Alhagi graecorum were the present species, recorded at all habitats. Old cultivated lands recorded the highest species number followed by orchard habitats, on the contrast road side and wasteland habitats recorded the lowest species numbers. Therophytes were the dominant life form, while Phanerophytes were the smallest group in this study, 5%. The highest Jaccard similarity index was recorded between healthy land and orchard habitats, which supported also by ward classification.
Highlights
Fayoum region is the most fertile agricultural land in Egypt and one of the oldest agricultural city in the world
AL-SHERIF, E.A. et al Weed flora of Fayoum (Egypt), one of the oldest agricultural regions in the world agronomic point of view; they represent a major barrier to farmers in terms of harvest losses caused by their presence because they compete for different resources, such as nutrient and water (Wang et al, 2007)
Cynodon dactylon and Alhagi graecorum were shown to be ubiquitous species as they were were recorded in all habitats while Tamarix nilotica and Phragmites australis occupied 87% of the study habitats
Summary
WEED FLORA OF FAYOUM (EGYPT), ONE OF THE OLDEST AGRICULTURAL REGIONS IN THE WORLD. Flora de Plantas Daninhas de Faium (Egito), Uma das Regiões Agrícolas Mais Antigas do Mundo. The Fayoum region is located about 95 km southwest of Cairo and is considered as one of the oldest agricultural cities in the world, as it was founded around 4000 BC; its location next to the Nile Valley was the main reason to attract extensive human activities, especially agriculture, since the Paleolithic era (Caton-Thompson and Gardner, 1929; Mc Donald, 2009; Hamdan and Lucarini, 2013; Fadl, 2016). It obtains its irrigation water from the Nile and its soil is mainly Nilotic silt. The content developed in this work represents an original approach whose aim is to determine the weed flora and its distribution through different habitats in the Fayoum region
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